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Small RNAs, including microRNAs (miRNAs) and piwi-interacting RNAs (piRNAs), are key epigenetic regulators in placental development. This review explores their role in preeclampsia, potentially leading to new diagnostic and therapeutic strategies for placental disorders.

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Area of Science:

  • Reproductive Biology
  • Epigenetics
  • Obstetrics

Background:

  • The maternal-fetal connection is crucial for pregnancy success.
  • Placental development relies on embryo quality, endometrial receptivity, and their communication.
  • Placental disorders like preeclampsia (PE) have complex and not fully understood etiologies.

Purpose of the Study:

  • To review the role of small non-coding RNAs (microRNAs and piRNAs) in placental function.
  • To analyze the influence of these epigenetic factors on preeclampsia development.
  • To highlight the potential of molecular approaches for diagnosing and treating placental disorders.

Main Methods:

  • Literature review focusing on small RNAs (miRNAs, piRNAs) and placental disorders.
  • Analysis of epigenetic mechanisms in preeclampsia pathogenesis.
  • Exploration of molecular pathways involved in placental development and function.

Main Results:

  • Small RNAs (miRNAs and piRNAs) act as epigenetic modulators of genes critical for placental functioning.
  • These epigenetic factors are implicated in the mechanisms underlying preeclampsia development.
  • Understanding the molecular basis of placental disorders can pave the way for novel interventions.

Conclusions:

  • Epigenetic regulation by small RNAs is vital for normal placental development and function.
  • Dysregulation of miRNAs and piRNAs may contribute to the pathogenesis of preeclampsia.
  • Further molecular investigation holds promise for advancing diagnostics and therapeutics for obstetric conditions.